Publications by authors named "Vohra S"

Idiopathic megacolon and megarectum are rare clinical conditions characterized by irreversible dilation of the colon and rectum without an identifiable organic cause. The underlying pathophysiology remains poorly understood, though hypotheses suggest abnormalities in the enteric nervous system or smooth muscle dysfunction. These conditions present significant diagnostic and therapeutic challenges, especially in cases refractory to conservative treatment.

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Background: Cardiovascular disease (CVD) prevalence varies widely among Asian American adults. The American Heart Association added healthy sleep to its metrics to define ideal cardiovascular health. Little is known about the association between sleep and CVD prevalence among Asian subgroups.

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Toll-like receptors (TLRs) are protein structures belonging to the pattern recognition receptors family. TLRs have the great potential that can directly recognize the specific molecular structures on the surface of pathogens, damaged senescent cells and apoptotic host cells. Available evidence suggests that TLRs have crucial roles in maintaining tissue homeostasis through control of the inflammatory and tissue repair responses during injury.

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Anaplasma marginale, a tick-borne obligate intracellular rickettsia is incriminated to cause heavy economic losses throughout the tropical and subtropical regions, including India. However, studies highlighting the phylogeography and demographic dynamics of A. marginale are very scant from India.

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Background: Increasing evidence has emerged for traditional, complementary and integrative medicine (TCIM) to treat COVID-19 which requires systematic summaries of the net benefits of interventions against standard care and one another. The study aims to conduct a systematic review and network meta-analysis (NMA) regarding TCIM therapies for treating mild/moderate acute COVID-19, potentially informing the WHO guideline development and clinical decision-making.

Methods And Analysis: We will search Embase, MEDLINE, Virtual Health Library on Traditional Complementary and Integrative Medicine, Cochrane Central Register of Controlled Trials, WHO's International Clinical Trials Registry Platform with additional searches of Chinese and Korean literature sources for randomised controlled trials comparing TCIM with placebo, standard care, no treatment or with an alternate type of TCIM to treat COVID-19.

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  • The study focuses on understanding pancreatic endothelial cells (ECs) and their specialization to improve our knowledge of how they support β-cells in insulin response, despite difficulties due to digestive enzymes.
  • Researchers used advanced RNA-sequencing techniques to identify specific genes linked to pancreatic ECs, creating a comprehensive atlas of these cells, and validated their findings through various biological techniques.
  • Key discoveries include a unique gene signature for pancreatic ECs, highlighting their roles in extracellular matrix composition, barrier function, and important signaling pathways, with NKX2-3 identified as a crucial transcription factor in these cells.
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  • Trial registration is essential for reducing bias and enhancing transparency in clinical research, particularly regarding medication trials.
  • This study examined how trial registration status affects harm estimates in randomized controlled trials, analyzing data from systematic reviews published between 2015 and 2020.
  • Results showed that prospectively registered trials reported higher odds of harm compared to non-registered and retrospectively registered trials, while no significant difference was found between non-registered and retrospectively registered trials.
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  • The study looks at different types of cells in the infrapatellar fat pad (IFP) of the knee and how they change with knee osteoarthritis (KOA), gender, and obesity.
  • Researchers used advanced techniques to analyze over 80,000 cell nuclei from both healthy and KOA patients.
  • They discovered that certain cells behave differently based on these conditions, and they found important differences in the way fibroblast cells act in people with different body types.
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Hyponatraemia is a common electrolyte disorder. For patients with severe hyponatraemia, intensive care unit (ICU) admission may be required. This will enable close monitoring and allow safe management of sodium levels effectively.

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This prospective, community-based, active surveillance study aimed to report the incidence of moderate, severe, and serious adverse events (AEs) after chiropractic (n = 100) / physiotherapist (n = 50) visit in offices throughout North America between October-2015 and December-2017. Three content-validated questionnaires were used to collect AE information: two completed by the patient (pre-treatment [T0] and 2-7 days post-treatment [T2]) and one completed by the provider immediately post-treatment [T1]. Any new or worsened symptom was considered an AE and further classified as mild, moderate, severe or serious.

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This paper aims to study antepartum and postpartum bleeding manifestations of patients with factor VII (FVII) deficiency, their management, and feto-maternal outcomes, to establish danger signs and management protocols. We describe a case series of nine pregnancies in four patients with FVII deficiency diagnosed at a tertiary care referral center in India between 2012 and 2023. Out of nine pregnancies, six had cesarean deliveries, two had vaginal deliveries, and one had dilatation and curettage for unwanted pregnancies.

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Yolk sac macrophages are the first to seed the developing heart, however we have no understanding of their roles in human heart development and function due to a lack of accessible tissue. Here, we bridge this gap by differentiating human embryonic stem cells (hESCs) into primitive LYVE1 macrophages (hESC-macrophages) that stably engraft within contractile cardiac microtissues composed of hESC-cardiomyocytes and fibroblasts. Engraftment induces a human fetal cardiac macrophage gene program enriched in efferocytic pathways.

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Nonmelanoma skin cancer and its treatment represent a significant global cancer burden for health care systems and patients. Rhenium skin cancer therapy (Rhenium SCT) is a novel noninvasive radionuclide nonmelanoma skin cancer treatment, which can be provided in a single outpatient session. The aim of this prospective, multicenter, single-arm, international, phase IV study (EPIC-Skin) is to assess clinic- and patient-reported outcomes of Rhenium SCT as a treatment for basal cell carcinoma (BCC) and squamous cell carcinoma (SCC).

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Background: Nasopharyngeal carcinoma (NPC) mortality varies based on multiple risk factors. While NPC mortality is higher in Asia, little is known about Asian subgroups in the United States (US).

Methods: Using the 2005-2020 National Vital Statistics System, we examined NPC mortality by age, race (non-Hispanic black, Hispanic white (HW), non-Hispanic white (NHW), Chinese, Filipino, Asian Indian, Japanese, Korean, Vietnamese), sex, and nativity (Untied States or foreign-born).

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Purpose: Genomic tests, such as the Oncotype Dx 21-gene and Prosigna risk of recurrence (ROR-P) assay, are commonly used for breast cancer prognostication. Emerging data suggest variability between assays, but this has not been compared in diverse populations.

Materials And Methods: RNA sequencing was performed on 647 previously untreated stage I-III estrogen receptor-positive/human epidermal growth factor receptor 2-negative tumors in the Carolina Breast Cancer Study, which oversampled Black and younger women (age <50 years at diagnosis), using research versions of two common RNA-based prognostic assays: ROR-P and the 21-gene recurrence score (RS).

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  • Bovicola caprae, an ectoparasite affecting goats globally, was studied in India to confirm its molecular characteristics and analyze its genetic diversity.
  • The study identified two distinct lineages of B. caprae, with Indian sequences clustering with archived sequences from China and Iran.
  • Results showed low nucleotide diversity but high haplotype diversity, indicating recent population expansion, along with significant genetic differentiation and limited gene flow among populations.
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  • Hyalomma anatolicum is a tick species known for spreading diseases to both animals and humans, and this study focuses on its genetic structure using mitochondrial gene sequences.
  • Analysis of 75 tick sequences revealed 24 different haplotypes, with Haplotype 1 being the most common across various countries, indicating a recent increase in population size.
  • The study's findings suggest low genetic differentiation among populations and highlight the significance of H. anatolicum in disease transmission, reinforcing its status as an economically important species.
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Background: To describe reasons for deviations from planned chemotherapy treatments in women with nonmetastatic breast cancer that contribute to less-than-planned receipt of chemotherapy.

Methods: Electronic medical records for patients receiving chemotherapy were reviewed for adverse events and treatment modifications. Log-binomial regression models were used to estimate relative risks (RRs) with 95% CIs to examine associations between chemotherapy modifications, patient characteristics, and treatment modalities.

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Background: Facing a surge of COVID-19 cases in late August 2021, the U.S. state of Illinois re-enacted its COVID-19 mask mandate for the general public and issued a requirement for workers in certain professions to be vaccinated against COVID-19 or undergo weekly testing.

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Introduction: Equine theileriosis, an economically important disease that affects horses and other equids worldwide, is caused by a tick-borne intracellular apicomplexan protozoa . Genotyping of based on the 18S rRNA gene revealed the presence of two, three, four or five genotypes. In previous published reports, these genotypes have been labelled either alphabetically or numerically, and there is no uniformity in naming of these genotypes.

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Calcium is a fundamental and integrative element and helps to ensure optimal health by regulating various physiological and pathological processes. While there is substantiated evidence confirming the beneficial effects of calcium in the treatment, management, and prevention of various health conditions, including cancer, conflicting studies are imperative to acknowledge the potential negative role of calcium supplementation. The studies on calcium supplementation showed that a specific dose can help in the maintenance of good human health, and in the control of different types of diseases, including cancer.

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  • The study investigates how the lack of blinding in randomized controlled trials affects the estimation of medication-related harms, highlighting that this issue is often overlooked.
  • Researchers analyzed 629 meta-analyses involving over 10,000 trials, focusing on both blinded and non-blinded conditions, and found that non-blinded trials tended to significantly underestimate harms.
  • The results suggest that not properly blinding participants and healthcare providers can lead to flawed assessments of medication risks, emphasizing the importance of adequate blinding in trials when possible.
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Aims: The Scottish Medical Consortium recently approved first-line pembrolizumab monotherapy or in combination with chemotherapy for head and neck squamous cell carcinoma in the palliative setting, contrasting with the decision made by the National Institute for Health and Care Excellence, who approved monotherapy alone in England and Wales. The aim of this study was to provide real-world performance data for first-line pembrolizumab-containing treatments for head and neck squamous cell carcinoma in the palliative setting in Scotland.

Materials And Methods: We analysed the electronic records of patients who started pembrolizumab-containing treatment between 1 March 2020 and 30 September 2021.

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